Finding the Third Proportional to 30,045.09 and 64,908.42

Step by Step Solution

1. Step 1: Write the proportion equation
   30,045.09 : 64,908.42 = 64,908.42 : x
2. Step 2: Convert to fraction form
   30,045.09/64,908.42 = 64,908.42/x
3. Step 3: Cross multiply
   30,045.09x = 64,908.42 × 64,908.42
4. Step 4: Simplify right side
   30,045.09x = 4,213,103,230.30
5. Step 5: Solve for x
   x = 4,213,103,230.30/30,045.09
6. Step 6: Final answer
   x = 140,226.00